The definition for fidelity is "State of being faithful." Used in a sentence: Unlike her fickle friend Benji, May Belle was known for her fidelity. The definition for opportune is "suitable or convenient.", the definition for prune is "To reduce by removing excess.", and the definition for advantageous is "Giving an advantage."

The definition for preclude is "To rule out in advance." Used in a sentence: "Having cake now will preclude dessert later," said Amber's mother. The definition for prominence is "importance.", the definition for impenitent is "Lacking remorse.", and the definition for drab is "Dull, monotonous."

The definition for proximity is "Closeness." Used in a sentence: The proximity of Tia's house to school meant that she could walk there in five minutes. The definition for opportune is "suitable or convenient.", the definition for embellish is "To decorate.", and the definition for exalt is "To elevate by praise."

The definition for buffer is "Protective barrier." Used in a sentence: The dense trees acted as a buffer against the heavy rain. The definition for extenuating is "partially excusing.", the definition for disdain is "Feeling of contempt.", and the definition for combustion is "Act of burning."

The definition for serenity is "Calmness." Used in a sentence: The serenity of the glassy sea soothed the sailors after the big storm. The definition for fragile is "delicate.", the definition for extenuating is "Partially excusing.", and the definition for untenable is "Not able to be defended."